| Healdsburg to Sereflikochisar | 6,872.62 mi (11,060.42 km) |
| Healdsburg to Serik | 6,960.39 mi (11,201.66 km) |
| Healdsburg to Serinhisar | 6,881.38 mi (11,074.51 km) |
| Healdsburg to Serinyol | 7,086.25 mi (11,404.22 km) |
| Healdsburg to Seydisehir | 6,942.07 mi (11,172.19 km) |
| Healdsburg to Seyhan | 7,031.52 mi (11,316.13 km) |
| Healdsburg to Seyitgazi | 6,789.00 mi (10,925.84 km) |
| Healdsburg to Siirt | 7,060.47 mi (11,362.73 km) |
| Healdsburg to Sile | 6,656.96 mi (10,713.34 km) |
| Healdsburg to Silifke | 7,047.74 mi (11,342.23 km) |
| Healdsburg to Silivri | 6,637.17 mi (10,681.49 km) |
| Healdsburg to Silopi | 7,112.12 mi (11,445.86 km) |
| Healdsburg to Simav | 6,779.21 mi (10,910.09 km) |
| Healdsburg to Sinanpasa | 6,825.50 mi (10,984.59 km) |
| Healdsburg to Sindirgi | 6,752.86 mi (10,867.68 km) |
